2 * \file popt/poptconfig.c
5 /* (C) 1998-2002 Red Hat, Inc. -- Licensing details are in the COPYING
6 file accompanying popt source distributions, available from
7 ftp://ftp.rpm.org/pub/rpm/dist. */
12 /*@-compmempass@*/ /* FIX: item->option.longName kept, not dependent. */
13 static void configLine(poptContext con, char * line)
17 int nameLength = strlen(con->appName);
19 const char * entryType;
21 poptItem item = (poptItem)alloca(sizeof(*item));
25 memset(item, 0, sizeof(*item));
28 if (strncmp(line, con->appName, nameLength)) return;
32 if (*line == '\0' || !isspace(*line)) return;
34 while (*line != '\0' && isspace(*line)) line++;
36 while (*line == '\0' || !isspace(*line)) line++;
39 while (*line != '\0' && isspace(*line)) line++;
40 if (*line == '\0') return;
42 while (*line == '\0' || !isspace(*line)) line++;
45 while (*line != '\0' && isspace(*line)) line++;
46 if (*line == '\0') return;
48 /*@-temptrans@*/ /* FIX: line alias is saved */
49 if (opt[0] == '-' && opt[1] == '-')
50 item->option.longName = opt + 2;
51 else if (opt[0] == '-' && opt[2] == '\0')
52 item->option.shortName = opt[1];
55 if (poptParseArgvString(line, &item->argc, &item->argv)) return;
58 item->option.argInfo = POPT_ARGFLAG_DOC_HIDDEN;
59 for (i = 0, j = 0; i < item->argc; i++, j++) {
61 if (!strncmp(item->argv[i], "--POPTdesc=", sizeof("--POPTdesc=")-1)) {
62 f = item->argv[i] + sizeof("--POPTdesc=");
63 if (f[0] == '$' && f[1] == '"') f++;
64 item->option.descrip = f;
65 item->option.argInfo &= ~POPT_ARGFLAG_DOC_HIDDEN;
68 if (!strncmp(item->argv[i], "--POPTargs=", sizeof("--POPTargs=")-1)) {
69 f = item->argv[i] + sizeof("--POPTargs=");
70 if (f[0] == '$' && f[1] == '"') f++;
71 item->option.argDescrip = f;
72 item->option.argInfo &= ~POPT_ARGFLAG_DOC_HIDDEN;
73 item->option.argInfo |= POPT_ARG_STRING;
77 item->argv[j] = item->argv[i];
86 /*@-nullstate@*/ /* FIX: item->argv[] may be NULL */
87 if (!strcmp(entryType, "alias"))
88 (void) poptAddItem(con, item, 0);
89 else if (!strcmp(entryType, "exec"))
90 (void) poptAddItem(con, item, 1);
95 int poptReadConfigFile(poptContext con, const char * fn)
97 const char * file, * chptr, * end;
99 /*@dependent@*/ char * dst;
103 fd = open(fn, O_RDONLY);
105 return (errno == ENOENT ? 0 : POPT_ERROR_ERRNO);
107 fileLength = lseek(fd, 0, SEEK_END);
108 if (fileLength == -1 || lseek(fd, 0, 0) == -1) {
114 return POPT_ERROR_ERRNO;
117 file = (const char *)alloca(fileLength + 1);
118 if (read(fd, (char *)file, fileLength) != fileLength) {
124 return POPT_ERROR_ERRNO;
127 return POPT_ERROR_ERRNO;
130 dst = buf = (char *)alloca(fileLength + 1);
133 end = (file + fileLength);
134 /*@-infloops@*/ /* LCL: can't detect chptr++ */
135 while (chptr < end) {
140 while (*dst && isspace(*dst)) dst++;
141 if (*dst && *dst != '#')
142 configLine(con, dst);
144 /*@switchbreak@*/ break;
150 /* \ at the end of a line does not insert a \n */
154 /*@switchbreak@*/ break;
157 /*@switchbreak@*/ break;
166 int poptReadDefaultConfig(poptContext con, /*@unused@*/ int useEnv)
172 if (!con->appName) return 0;
175 rc = poptReadConfigFile(con, "/etc/popt");
177 #if defined(HAVE_GETUID) && defined(HAVE_GETEUID)
178 if (getuid() != geteuid()) return 0;
181 if ((home = getenv("HOME"))) {
182 fn = (char *)alloca(strlen(home) + 20);
184 strcat(fn, "/.popt");
185 rc = poptReadConfigFile(con, fn);